Green sweat bee (IMAGE) Penn State Caption A green sweat bee (Augochlora pura) forages on goldenrod flowers. Researchers found that many sweat bee species were among those that declined in abundance over six years in southcentral Pennsylvania. Credit Nash Turley/Penn State Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.